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Objective Urinary incontinence is highly prevalent among women, with a substantial effect on health-related quality of life. This article aimed to investigate the independent factors for urinary incontinence (UI) and the relative importance of each factor. Methods This study was a cross-sectional survey of Chinese women in Guangzhou. Female 20 years and older were invited to participate. The International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form was used to determine whether respondents are experiencing UI. Univariate and multivariate unconditional logistic regression analyses were performed to determine the significant risk factors associated with UI. Results A total of 2626 women were invited to participate in the survey. The response rate was 80.5% (2114/2626). The prevalence of UI among the study population was 31.2%. Old age, increased body mass index, childbirth, family history of any female pelvic floor disorders, symptoms of chronic cough or rhinitis, wearing a corset, and often drinking were independent risk factors for UI. Conclusions Urinary incontinence is common among Chinese women in Guangzhou. Among the factors that we are concerned with, old age and vaginal delivery are the two with greatest impact. Moreover, wearing a corset and drinking are the 2 lifestyle factors associated with UI.